function CreatRandom(iran) {
	var irandom = 0;
	while (true) {
		irandom = Math.round(Math.random() * iran);
		if (irandom != 0 && irandom != iran)
			break;
	}
	return irandom;
}

function getRandom(a) {
	var s = '';
	var dup = true;
	var temp = 0;
	var arandom = new Array();

	for (var i = 1; i < a; i++) {
		while (true) {
			dup = false;
			temp = CreatRandom(a);

			for (var j = 1; j < a; j++) {
				if (temp == arandom[j])
					dup = true;
			}

			if (dup)
				temp = CreatRandom(a);
			else {
				arandom[i] = temp;
				break;
			}
		}
	}

	/*for(var j=1;j<a;j++)
	{
	s += j + ' - ' +arandom[j] + '; ';
	}
	str.innerHTML = s;*/
	return arandom;
}